the penny trick

My tensioner was not squealing but it was knocking quite loudly as it moved up and down on the belt. the bearing felt a bit loose so I changed it but it was still making the same noise so I tried the penny trick, now the tensioner is dead quiet and it doesnt seem to move up and down so much. So job done BUT why did I need to do it in the first place? I am guessing that putting the penny in the nine oclock position alters the angle of the roller on the belt But if I have a perfectly functioning tensioner why did I need to do that and what was making the knocking in the first place?

Just curious!!

Dave

ccrdave said:

My tensioner was not squealing but it was knocking quite loudly as it moved up and down on the belt. the bearing felt a bit loose so I changed it but it was still making the same noise so I tried the penny trick, now the tensioner is dead quiet and it doesnt seem to move up and down so much. So job done BUT why did I need to do it in the first place? I am guessing that putting the penny in the nine oclock position alters the angle of the roller on the belt But if I have a perfectly functioning tensioner why did I need to do that and what was making the knocking in the first place?

Just curious!!

Dave

Click to expand...

A question many have asked (including myself) but no-one seems to be able answer satisfactorily. Just be happy it cost you nowt to quieten the noise

http://www.landyzone.co.uk/lz/736278-post3.html

from this thread

http://www.landyzone.co.uk/lz/f38/300tdi-squeeling-belt-penny-trick-64595.html

Ok thanks for the link but which bit is out of true, the tensioner or its mounting point?

its mounting